APA (7th ed.) Citation

Schleicher, A. (2015). Schools for 21st-century learners: Strong leaders, confident teachers, innovative approaches. OECD.

Chicago Style (17th ed.) Citation

Schleicher, Andreas. Schools for 21st-century Learners: Strong Leaders, Confident Teachers, Innovative Approaches. Paris, [France]: OECD, 2015.

MLA (9th ed.) Citation

Schleicher, Andreas. Schools for 21st-century Learners: Strong Leaders, Confident Teachers, Innovative Approaches. OECD, 2015.